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QD-6011/6015/6018 Relay Isolated Safety Barrier
QD-6011 / QD-6015 / QD-6018 is a switching input safety barrier designed around “Intrinsically Safe Switching Input Isolation.” Provides clear switching, alarm or relay functions for equipment control and interlocking. The alarm, relay, switching or control function turns the measured condition into a clear action for pumps, valves, warning devices or equipment interlocks. The feature is directly relevant to control cabinet, hazardous-area instrument loop and industrial process projects. Respond faster to abnormal conditions and equipment control demands, helping engineers keep the installation, inspection and signal path easier to manage during long-term operation.
QD-6011 / QD-6015 / QD-6018 is a switching input safety barrier designed around “Flexible Multi-channel Switching Input Integration.” Model options QD-6011, QD-6015, QD-6018 match different channel and point-count requirements. The channel and model arrangement makes it easier to match the number of field points without changing the overall cabinet architecture. The feature is directly relevant to control cabinet, hazardous-area instrument loop and industrial process projects. Handle more monitoring points with fewer separate cabinet modules, helping engineers keep the installation, inspection and signal path easier to manage during long-term operation.
QD-6011 / QD-6015 / QD-6018 is a switching input safety barrier designed around “Optical Isolation for Stronger Anti-interference.” Improves switching input stability, response or operating efficiency under changing field conditions. The stated operating range, accuracy, response, overload or stability feature supports more dependable data under changing field conditions. The feature is directly relevant to control cabinet, hazardous-area instrument loop and industrial process projects. Maintain clearer trend data during long-term industrial operation, helping engineers keep the installation, inspection and signal path easier to manage during long-term operation.
Working Principle Diagram
Maximum Switching Voltage:250 V AC / 30 V DC (safe side output)
Rated Switching Current (Resistive Load):3 A continuous
Rated Switching Current (Inductive Load):1 A @ 24 V DC (with built-in RC snubber for arc suppression)
Initial Contact Resistance:≤ 100 mΩ (stable low voltage drop for long-term operation)
Contact Bounce Time:< 5 ms (eliminates false counting & spurious system triggering)
Operate Response Time:< 10 ms (coil energized to contact fully closed)
Release Response Time:< 8 ms (coil de-energized to contact fully open)
Mechanical Endurance:≥ 10,000,000 operations (no-load condition)
Electrical Endurance:≥ 100,000 operations @ rated resistive load
Common Mode Rejection Ratio (CMRR):≥ 120 dB @ 50/60 Hz
Normal Mode Rejection Ratio (NMRR):≥ 60 dB @ 50/60 Hz
Dimension Chart
Width x Height x Length: 17.7 mm x 110 mm x 118.9 mm
Wiring Diagram
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